package com.luke.exercise.play;

import java.util.HashMap;
import java.util.Map;

import com.alibaba.fastjson.JSON;

public class MapPrint {

    public static void main(String[] args) {
        Map map = new HashMap();
        map.put("a", 11);
        map.put("b", 22);
        System.out.println(JSON.toJSONString(map));
    }
}
